/*
 * TMap Designer - A Thematic Map design software
 * Copyright (C) 2006 World Health Organization
 * http://www.who.int
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */
package who.tmap.toolkit.cdr.impl;

import java.awt.Graphics2D;
import java.awt.geom.Point2D;
import java.util.List;
import java.util.Map;

import org.apache.log4j.Logger;

import who.tmap.bo.Attrs;
import who.tmap.bo.cd.CDPointSymbols;
import who.tmap.bo.cd.CDTypes;
import who.tmap.bo.cd.CartographicDisplay;
import who.tmap.bo.cd.impl.CartographicDisplayFactory;
import who.tmap.bo.cd.point.CDPointDataDrivenEntry;
import who.tmap.bo.cd.point.CDPointDataDrivenSymbolAndSize;
import who.tmap.common.TMapException;
import who.tmap.toolkit.MappingToolKit;
import who.tmap.toolkit.impl.AttrHelper;

public class CDRPointDataDrivenSymbolAndSizeImpl extends BaseCDRPointImpl {

    private static Logger logger = Logger.getLogger(CDRPointDataDrivenSymbolAndSizeImpl.class);
    
    private CDPointDataDrivenSymbolAndSize cdPoint =null;
	
	public void init( MappingToolKit mtk, CartographicDisplay cd, double mapFactor ) throws TMapException {
		super.init( mtk, cd, mapFactor );
		cdPoint =(CDPointDataDrivenSymbolAndSize)cd;
		
		processMaxVal();
	}
	
	@SuppressWarnings("unchecked")
	private void processMaxVal() throws TMapException {
		Attrs attrs =mtk.getThematicMap().getData();
		List<List> rows =attrs.getRows();
		
		int sizeColumnIdx =new AttrHelper().getIdxForAttrName( attrs.getHeader(), cdPoint.getSizeColumn() );
		
		if ( sizeColumnIdx != -1 ) {
			for( List row : rows ) {

				double val =getDoubleValue( row.get( sizeColumnIdx ) );
				
				if ( val > maxVal ) {
					maxVal =val;
				}			
			}
		}
		
	}

	public void represent(Graphics2D g, Point2D pt, boolean selected, double sizeVal, String data ) throws TMapException {
		Map<String, CDPointDataDrivenEntry> entries =cdPoint.getEntries();
		
		CDPointDataDrivenEntry entry =entries.get( data );
		
		if ( entry == null ) {
			entry =(CDPointDataDrivenEntry)CartographicDisplayFactory.getInstance().get( CDTypes.POINT_DATA_DRIVEN_ENTRY );
			entry.setVal( data );
			entry.setSymbol( CDPointDataDrivenEntry.DEFAULT_SYMBOL );
			entry.setFillPattern( CDPointDataDrivenEntry.DEFAULT_FILL_PATTERN );
			entry.setColor( CDPointDataDrivenEntry.DEFAULT_COLOR );
			entry.setSize( CDPointDataDrivenEntry.DEFAULT_SIZE ); 
			
			entries.put( data, entry );
		}
		
		double symbolSize =computeSymbolSize( sizeVal, cdPoint.getScalingFactor() );
		
		if ( entry.getSymbol() != CDPointSymbols.BITMAP ) {
			drawSymbol( g, pt, selected, entry.getColor(), entry.getFillPattern() 
					  , symbolSize
					  , entry.getSymbol() );
		} else {
			drawBitmap( g, pt, selected, symbolSize, entry.getImage() );
		}
	}

}
